The Secret Language of Cells — and How to “Speak” It | Chris Bahl | TED

The Secret Language of Cells — and How to “Speak” It | Chris Bahl | TED

November 23, 2025 3 min
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🤖 AI Summary

Overview

Chris Bahl introduces a groundbreaking approach to medicine through the development of AI-designed miniproteins. These innovative molecules are engineered to communicate directly with cells, offering the potential for safer, more effective treatments for complex diseases like cancer, diabetes, and arthritis.

Notable Quotes

- Modern medicines, while amazing, are the linguistic equivalent to only knowing a single word.Chris Bahl, on the limitations of current medical treatments.

- We can now talk with a particular type of immune cell. We can call to them by name, and we can tell them to go out and attack cancer.Chris Bahl, on the potential of miniproteins to revolutionize medicine.

- Miniproteins enable a fundamentally new way of thinking about medicine.Chris Bahl, on the transformative power of AI-designed proteins.

🧬 The Language of Cells

- Cells communicate using a complex language of protein interactions, but current medicines only target single proteins, akin to knowing just one word in a language.

- Miniproteins, designed by Chris Bahl and his team at AI Proteins, aim to speak this cellular language fluently, enabling more precise and effective treatments.

🤖 AI-Designed Miniproteins

- Miniproteins are small peptides, 40-60 amino acids long, designed using generative artificial intelligence.

- These proteins are engineered to be small for better mobility in the body, stable for easier manufacturing, and digestible after completing their function.

- The design process allows for complete control, enabling the creation of proteins that can interact with cells in sophisticated ways, akin to forming sentences with grammar.

🩺 Revolutionary Medical Applications

- Miniproteins can deliver specific instructions to immune cells, such as targeting cancer cells while sparing healthy tissue.

- Successful preclinical trials include:

- Reducing joint inflammation in mice with arthritis.

- Controlling blood glucose levels in diabetic mice.

- Treating leukemia tumors in mice using human immune cells guided by miniproteins.

- These results demonstrate the potential for miniproteins to address a wide range of diseases.

🤝 Partnerships and Future Prospects

- AI Proteins has partnered with Bristol Myers Squibb to develop four new medicines using miniprotein technology.

- The first clinical trial is set for 2028, focusing on lung cancer treatment.

- This innovation marks a paradigm shift in medicine, with the potential to create safer, more effective therapies for some of the most challenging diseases.

AI-generated content may not be accurate or complete and should not be relied upon as a sole source of truth.

📋 Video Description

What if medicines could "speak" directly to your cells? Protein designer and TED Fellow Chris Bahl introduces a new generation of miniproteins: AI-designed medicines that can deliver detailed instructions to fix what's making you sick. He shares how this breakthrough could potentially unlock safer, more effective treatments for some of humanity's most challenging diseases. (Recorded at TED2025 on April 9, 2025)

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